Kohji Ohtsuka

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Backlight unit and liquid crystal display device using the backligh...
- Patent number 7,901,103
- Issue date Mar 8, 2011
- Sharp Kabushiki Kaisha
- Yutaka Inoue
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Backlight unit and liquid crystal display device using the backligh...
- Patent number 7,455,425
- Issue date Nov 25, 2008
- Sharp Kabushiki Kaisha
- Yutaka Inoue
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Backlight unit and liquid crystal display unit using backlight unit
- Patent number 7,446,829
- Issue date Nov 4, 2008
- Sharp Kabushiki Kaisha
- Yutaka Inoue
- G02 - OPTICS
Information Patent Grant
Image display device with built-in loudspeakers
- Patent number 7,280,665
- Issue date Oct 9, 2007
- Sharp Kabushiki Kaisha
- Ichiro Tamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Backlight unit and liquid crystal display device using the backlig...
- Publication number 20080158872
- Publication date Jul 3, 2008
- Yutaka INOUE
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Backlight unit and liquid crystal display device using the backligh...
- Publication number 20060139952
- Publication date Jun 29, 2006
- SHARP KABUSHIKI KAISHA
- Yutaka Inoue
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Backlight unit and liquid crystal display unit using backlight unit
- Publication number 20060044830
- Publication date Mar 2, 2006
- Yutaka Inoue
- G02 - OPTICS
Information Patent Application
Image display device
- Publication number 20050129263
- Publication date Jun 16, 2005
- Sharp Kabushiki Kaisha
- Ichiro Tamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE